YTD428 データシートの表示（PDF） - Yamaha Corporation

部品番号

コンポーネント説明

メーカー

YTD428

IDSU ISDN DSU for Terminal Equipment

Yamaha Corporation 

-4-

2. BLOCK DIAGRAM

2.1 Internal Block Diagram

BLOCK DIAGRAM

YTD428

U ref. pt. I/F section

ADC

Variable

Amplifier

Peak hold

T ref. pt. I/F section

T ref. pt.

driver

T ref. pt.

receiver

Interface

switch section

CT block

LT block

CT/LT section

U ref. pt.

driver control

TTL I/F

S/T ref. pt. LSI

YTD418 or

YTD423

CT : Circuit Termination

LT : Line Termination

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